Hints to inventors and others desirous of obtaining patents for inventions, or of protecting designs by registration and particulars respecting the registration of trade marks.
Johnsons (Firm)
Glasgow ; Edinburgh : Johnsons, Chartered Patent Agents,
[1913]
Earlier edition has title: Hints to inventors desirous of obtaining letters patent for their inventions.
Great Britain.
Patent laws and legislation
Trademarks